98 Z28 Turbo LS1/T56 Street car.
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98 Z28 Turbo LS1/T56 Street car.
I have a 98 z28 and have been researching a turbo build for the car. I wanna do a front mount single s400? borg warner, but from what i have seen there are different variations of the s400-s480. I want a setup that can produce 700-800 with the twist of a button.
I plan to use 80lb injectors, i have seen plenty of people using 255lph but two of them. Alot of the parts will be decided when i start tearing cars apart and taking measurements. I have the part number for the radiator GRI-25241-x
I just have a few questions regarding the wastegate, IM not sure what size i need 52mm? i plan on running 2-1/4 hot side piping.
The car will be getting torn down cleaned and built back up. suspension, not over done, but i will be replacing the rear control arms and pan hard bar, subframe connectors, all new bushings, and Turbo K-member. I am keeping ac I have a plan to use oval exhaust tubing, to get the exhaust by and not use to much room.
I plan to use 80lb injectors, i have seen plenty of people using 255lph but two of them. Alot of the parts will be decided when i start tearing cars apart and taking measurements. I have the part number for the radiator GRI-25241-x
I just have a few questions regarding the wastegate, IM not sure what size i need 52mm? i plan on running 2-1/4 hot side piping.
The car will be getting torn down cleaned and built back up. suspension, not over done, but i will be replacing the rear control arms and pan hard bar, subframe connectors, all new bushings, and Turbo K-member. I am keeping ac I have a plan to use oval exhaust tubing, to get the exhaust by and not use to much room.
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I also need to replace the passenger rear quarter panel. here is a pic of when i first got the car two years ago, tomorow gotta take my wife into the hospital for testing, been tryin to figure out where this fever is coming vrom hasnet been able to get her treatments for a year. She was diagnosed as terminally ill over four years ago so been dealing with that. I will post progress when i get there which will be in a week or two.
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https://ls1tech.com/forums/showthrea...9#post17057599
My build thread. S475 t56 is what I have. No need for the s480 if 700-800 is all you want. Get the s475 like mine for 650 dollars and your there. Gonna try and see 900+ rwhp from mine before I upgrade turbos and do a forge engine.
My build thread. S475 t56 is what I have. No need for the s480 if 700-800 is all you want. Get the s475 like mine for 650 dollars and your there. Gonna try and see 900+ rwhp from mine before I upgrade turbos and do a forge engine.
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https://ls1tech.com/forums/showthrea...9#post17057599
My build thread. S475 t56 is what I have. No need for the s480 if 700-800 is all you want. Get the s475 like mine for 650 dollars and your there. Gonna try and see 900+ rwhp from mine before I upgrade turbos and do a forge engine.
My build thread. S475 t56 is what I have. No need for the s480 if 700-800 is all you want. Get the s475 like mine for 650 dollars and your there. Gonna try and see 900+ rwhp from mine before I upgrade turbos and do a forge engine.
what size hot side are you running? and what size wastegate?
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i most certainly will, thanks. I need to contact martin at tick, for a cam profile as well just doing my research befor i jump the gun. I was looking at the car tonight and took of the lid/radiator hold down, and found that either someone put the motor from above and put a nice dent in the support or hit a deer and it slammed down on it so ill have to fix it. I do not plan on cutting the support out i wanna trim the support and slide the rad under it, trying to figure out the ac condensor. I might find a core that is similar in size to the rad and just mount it in front of the rad and make new ac lines to it. Just gotta keep looking.
Last edited by stoning_volcom; 12-06-2013 at 08:55 PM.
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Lol I'll be running mine for a while longer. I run a jgs 50mm gate. Also bought from forced inductions. I called and talked to them and they put me in the right direction for my goals.
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Not sure at my level now but at around 520rwhp on 8psi on my initial tune they where only 35% and I didn't have meth then. That's all 93 pump gas. Not logged it on a pull. May have Jonathan log a 20psi pull after first of the year just to see. I plan to take it just to Dyno it again. They didn't tune it but if it hits a crazy number I want it to be on a reputable shops Dyno so its absolutely none disputable lol.
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Not sure at my level now but at around 520rwhp on 8psi on my initial tune they where only 35% and I didn't have meth then. That's all 93 pump gas. Not logged it on a pull. May have Jonathan log a 20psi pull after first of the year just to see. I plan to take it just to Dyno it again. They didn't tune it but if it hits a crazy number I want it to be on a reputable shops Dyno so its absolutely none disputable lol.
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So i have been planning on turbo charging my car for the last couple years. Over that time i have looked at setups and tried to see what might work. I am going to keep my ac, so i found a set of manifolds that would work. I am gonna get a Turbo k-member, allowing for clearance between the oil pan and k-member (like a third gen exhaust) i got some pics of the tubing ill use. I plan to reduce the 5inch dp to 4inch and make it go along the driver side of the engine. When the alternater is moved to the tensioner ill use the factory alternater bracket and idler to keep the belt away from the dp. The dp will go from 4inch round to 4inch oval and then go back like the factory exhaust. I havent decided yet but either dump befor rearend, or transfer back to round and go out over the axle. here are the pics.
this reducer is 5 to 4 inches and that will weld right to the v band.
this will be the 4 inch ill use to get down to the side of the driver side block.
this is what i plan to use for the clearance.
Here is the C6 LS3 manifolds and i will weld a vband straight on. passenger will go under and inbetween the kmember and oil pan. then will connect between to the driver then towards the front to support the turbo, the turbo will set right next to the driver frame rail so i can support it.
this reducer is 5 to 4 inches and that will weld right to the v band.
this will be the 4 inch ill use to get down to the side of the driver side block.
this is what i plan to use for the clearance.
Here is the C6 LS3 manifolds and i will weld a vband straight on. passenger will go under and inbetween the kmember and oil pan. then will connect between to the driver then towards the front to support the turbo, the turbo will set right next to the driver frame rail so i can support it.
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I wouldn't do that radiator. Either the 55241, or the 85241. With ac that radiator can't get rid of the heat. I will be upgrading mine in the spring. Use a truck manifold on the drivers side and c6 manifold on passenger side. Evo362, or something like that had a thread on here where he used those manifolds and kept ac. I also have a thread where I kept the ac. I used 5th gen manifolds turned up and cut the flanges off.
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I wouldn't do that radiator. Either the 55241, or the 85241. With ac that radiator can't get rid of the heat. I will be upgrading mine in the spring. Use a truck manifold on the drivers side and c6 manifold on passenger side. Evo362, or something like that had a thread on here where he used those manifolds and kept ac. I also have a thread where I kept the ac. I used 5th gen manifolds turned up and cut the flanges off.
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Ok i've always been curious how people choose the turbos they go with. Like how one picks a 75mm Precision over a Turbonetics and so on.
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Most go with a proven turbine/ compressor combo. It depends on cubic inches, purpose, etc. along with packaging. If the owner only want 600 wheel hp, then a 88 or 91mm is overkill. More can be had from a smaller unit. If it's a 1000hp+ build then a smaller turbine and compressor will run out of steam. Figuring out what you want out of the car along with your budget will determine the turbo needed.
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Most go with a proven turbine/ compressor combo. It depends on cubic inches, purpose, etc. along with packaging. If the owner only want 600 wheel hp, then a 88 or 91mm is overkill. More can be had from a smaller unit. If it's a 1000hp+ build then a smaller turbine and compressor will run out of steam. Figuring out what you want out of the car along with your budget will determine the turbo needed.